From the break of recorded history to the offering day, humankind has struggled with its darker mind. Today, researchers around the world are uncovering the secret forces that inflame our inner demons...looking despite ways to isolate and neutralize the original of evil in the brain. In Amsterdam, neuroscientist Christian Keysers tests empathy through torturing his lab assistants, who willingly tolerate it in the name of knowledge. At Yale, psychologist Karen Wynn and a put together of adorable babies prove that, from race, most of us have a built-in judgment of morality.